Aersynx
Aircraft technical records and documentation
Playbook · Transition

Closing a redelivery without a records gap.

A records gap found at handover is three problems at once: a lease dispute, a value write-down, and weeks of hunting through years of history. By the time the buyer's team finds it, the leverage is theirs.

Why it's hard

The gap isn't created at handover. It's created over years.

Redelivery feels like a document-collection exercise you run the week before the aircraft moves. It isn't. The gap was opened the day a part was swapped, a component overhauled, or an AD closed — and the change was never captured against the record. Handover is just when you find out.

The rule

You can't search your way out of a gap that was never digitized. A missing Form 1 for a part that was swapped four years ago doesn't become findable because the deadline is close — it becomes a phone call to a shop that may no longer have the file. The only fix is to capture every change against the record when it happens, not reconstruct it at the end.

Step 01

Start from the conditions — not a PDF read the week before.

The lease redelivery conditions become a live checklist the day the transition opens, not an appendix someone skims at the eleventh hour. Each condition maps to the records that satisfy it, so progress is visible from the start and nothing is discovered late because it was buried in clause language no one revisited.

aersynx / transition · MSN 30142 redelivery conditions
Engine LLP back-to-birthlinked
Last C-Check work packlinked
AD status — full compliance setin progress
APU shop visit Form 1missing
conditions tracked from day one · not the week before
Step 02

Build the IATA binder as you go.

Technical records are packaged in the IATA A–P structure, and each item is linked to the evidence that backs it as the work happens. The binder is assembled continuously over the life of the asset — not reconstructed in a scramble once redelivery is announced. When the day comes, it's already there.

The rule

A binder assembled as you go is a binder you trust. The alternative — rebuilding it from memory and email threads — is how gaps hide until the buyer opens section H.

aersynx / records · IATA A–P package
Assembled continuously
A · Aircraft generalcomplete
E · Engine recordscomplete
H · Component & LLP statuslinked
K · AD / SB compliancelinked
P · Weighing & configcomplete
Step 03

Decide title vs replacement on an equipment change.

When a part is swapped during the lease, you need to know what you're getting against what you gave up. The removed (title) part is scored against the replacement on the criteria that move value — Next SV, LLP remaining, AD status, and concessions — before the change is accepted, not after it's already in the binder.

The rule

Deterministic scoring plus an AI-written narrative are available today. A full eight-section back-to-birth comparison report is coming soon — on the roadmap, not yet shipping.

aersynx / asset comparison · title vs replacement
Scoring + narrative
Next SV intervalfavours in
LLP remainingfavours in
AD statuseven
Open concessionsfavours out
Full eight-section back-to-birth report — coming soon
Step 04

The master-record gate won't let a gap through.

A position-aware completeness check guards the transition. If a required master record is missing for an equipment position — and a narrowbody landing-gear ship-set is six positions, not one — the transition is blocked with a per-position breakdown. A gap can't quietly slip past the gate and surface at handover.

The rule

The gate is the safety net. Instead of trusting that someone remembered every position, the system refuses to proceed until each one is accounted for.

aersynx / transition · master-record gate
Blocked
Transition blocked
master_record_missing
Landing gear ship-set · per position
NLGLH MLGRH MLG
RH MLG — replacement master record not yet committed.
Step 05

Prove it at handover — the checklist is the proof.

Every checklist item carries its linked record — OCR-complete, analyst-signed — and an immutable audit entry. When the buyer's team asks for the basis behind a line, the answer is already attached. There's no separate evidence binder to assemble: the records checklist itself is the proof of completeness.

The rule

The proof was built alongside the work, so handover isn't a defense — it's a read-through of an audit trail you've kept all along.

aersynx / transition · handover proof
Immutable
Conditions satisfied126 / 126
Records OCR-completeall linked
Analyst-signedM. Aydın · CAMO
Audit-log entriesimmutable
the checklist is the proof
What most teams get wrong

Four ways a redelivery opens a gap.

The dispute you didn't have to have
  • Records collected only at the end — turning the last weeks into a frantic hunt through shops and inboxes.
  • A missing Form 1 for a swapped part, discovered by the buyer — now it's their leverage, not your oversight.
  • A checklist kept in a spreadsheet, separate from the records — so "done" means a green cell, not a linked, verified document.
  • An equipment change accepted without comparing the part you're getting to the one you gave up.
The takeaway

A gap you never opened is a dispute you never have.

Conditions as a live checklist, the IATA binder built as you go, an equipment change scored before it's accepted, a position-aware gate that won't let a gap through, and the proof attached at handover — that's a redelivery you close on your terms.

Bring the aircraft you're redelivering.

We'll turn the lease conditions into a live checklist and show you exactly where today's records sit against handover.